static/style.css

html,
body {
  height: 100%;
}

body {
  text-align: left;
  margin: 0px;
  padding: 0px;
  background-color: #ffffff;
}

form {
  text-align: left;
  height: 100%;
}

.container {
  padding: 10px;
}

.text_bottom {
  bottom: 0;
}

#demo {
  color: #111;
  font-family: 'Helvetica Neue', sans-serif;
  font-size: 22px;
  line-height: 24px;
  margin: 0 0 24px;
  text-justify: inter-word;
}